MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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18242 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Lake Level MCP

Live US lake and reservoir water levels from USGS, USACE, CDEC, USBR and TWDB gauges.

Developer ToolsCode & DevOps

Responded252 ms15 / 22
NameWheel

Fair random picks with the wheel in your chat: pick names, split teams, run certified draws.

Developer ToolsCode & DevOps

Responded256 ms15 / 22
Helfer & Profi

Free German neighborhood marketplace: search local help requests and providers by postal code.

Developer ToolsCode & DevOps

Outdated check256 ms15 / 22
Agent Commons

A home for any agent: inbox, public memory, job board, rooms, human help. Free, no key.

Developer ToolsCommunication & messaging

Responded258 ms15 / 22
Context Atlas

Find llms.txt, docs, MCP servers, skills and CLIs for a tech stack, for coding agents.

Developer ToolsCode & DevOps

Outdated check259 ms15 / 22
Boletín Claro

Subvenciones, licitaciones y boletines oficiales de España y Europa para tu IA. Gratis, sin login.

Developer ToolsCode & DevOps

Outdated check260 ms15 / 22
BigMarker MCP by usefulapi

Read conferences, registrants, attendees and recordings; register and cancel people in BigMarker.

Developer ToolsCode & DevOps

Responded261 ms15 / 22
io.github.Vordium/vordium-mcp

Vordium perps for any MCP client: markets, accounts, and orders you confirm, signed on your machine.

Developer ToolsCode & DevOps

Responded262 ms15 / 22
Axcient MCP by usefulapi

List clients, devices, vaults and restore points, and check backup jobs in Axcient.

Developer ToolsCode & DevOps

Responded262 ms15 / 22
ApiFlash MCP by usefulapi

Capture website screenshots and extract page HTML or text with ApiFlash; check your quota.

Developer ToolsCode & DevOps

Responded262 ms15 / 22
No Tax on Overtime

No tax on overtime, tips and senior deductions for 2025-2028 (OBBBA), with IRS caps and phase-outs.

Developer ToolsCode & DevOps

Responded263 ms15 / 22
BillionVerify

Email verification for AI agents: verify single or bulk emails, check credits and history.

Developer ToolsCommunication & messaging

Outdated check265 ms15 / 22
Laravilt

Laravilt docs, packages and plugins for agents: a Laravel admin panel on Inertia with Vue or React.

Developer ToolsCode & DevOps

Outdated check270 ms15 / 22
Ratevert MCP

Read-only Ratevert MCP for asset search, pair rates, and conversions.

Developer ToolsData access / search

Outdated check271 ms15 / 22
Subdomain Finder MCP

Passive subdomain enumeration from certificate transparency (certspotter, crt.sh) with DNS checks.

Developer ToolsCode & DevOps

Responded272 ms15 / 22
CPI Inflation Calculator

Inflation calculator with official BLS CPI 1913 to the latest month, raise vs inflation, SS COLA.

Developer ToolsCode & DevOps

Responded272 ms15 / 22
The Wyze Blog

The Wyze blog: guaranteed rent, temporary accommodation and lettings guides for UK letting agents.

Developer ToolsCode & DevOps

Outdated check272 ms15 / 22
NPMScan

Detect malicious or vulnerable npm packages: registry search, OSV.dev and GitHub advisory lookups

Developer ToolsData access / search

Responded275 ms15 / 22
Estate and Gift Tax Exemption Calculator

2026 US estate and gift tax: $15M exemption (P.L. 119-21), 40% rates, annual exclusion, DSUE.

Developer ToolsCode & DevOps

Responded276 ms15 / 22
Agent Stack Directory

Search, inspect and compare infrastructure tools for AI agents from a checked directory.

Developer ToolsData access / search

Outdated check276 ms15 / 22
AcademyOcean MCP by usefulapi

List learners, courses, teams, progress, quiz results and certificates in AcademyOcean.

Developer ToolsCode & DevOps

Responded278 ms15 / 22
ACA Premium Tax Credit Calculator

2026 ACA premium tax credit: expired enhanced subsidy, 400% FPL cliff, FPL, APTC repayment rules.

Developer ToolsCode & DevOps

Responded278 ms15 / 22
GospelChannel Church Finder

Find a Christian church by worship style, denomination, language, and location. Read-only.

Developer ToolsCode & DevOps

Outdated check278 ms15 / 22
IndustryLens

B2B SaaS competitor pricing changes, strategic moves, market landscapes, reports and comparisons.

Developer ToolsCode & DevOps

Outdated check279 ms15 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence